Message: The parameters dictionary contains a null entry for parameter 'categoryid' of non-nullable type 'System.Int32' for method 'System.Web.Mvc.ActionResult CategoryRedirect(Int32, System.Nullable`1[System.Int32])' in 'BevNET2011.Controllers.PhotosController'. An optional parameter must be a reference type, a nullable type, or be declared as an optional parameter.
Parameter name: parameters